About this eBook

Preface This book has written as per the new syllabus of M.D.U., G.J.U. and K.U.K., D.C.R.U.S.T. Murthal Haryana. For the third semester students of B.E. B.Tech. An attempt has been made to make the subject matter easily intelligible in all respect. The questions have been carefully selected and properly graded. The language used in solving the questions is made as simple as simple as possible. I do feel that the students will find the book very useful and rewarding. Although every care has been taken to keep the book free from errors and misprints but still I look forward to receive constructive suggestions and corrections which might have escaped my scrutiny. Authors B.S. Vashisth Dr. Sanjay Kumar SYLLABUS D.C.R.U.S.T. L 3 T 2 P Credits 5 MATH-201 MATHEMATICS-III B.Tech. Common for all Semester-III Branches Class work Examination Total Duration of Examination 50 Marks 100 Marks 150 Marks 3 Marks Part-A Fourier Series and Fourier Trasnsform Euler's formulae, conditions for a Fourier expansion, change of interval, Fourier expansion of odd and even functions, Fourier expansion of square wave, rectangular wave, saw-toothed wave, half and full rectified wave, half range sine and cosine series. Fourier integrals, Fourier transforms, Shifting theorem both on time and frequency axes , Fourier transform of derivatives, Fourier transforms of

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